例句與造句

1. The device, called the Arrow LionHeart Left Ventricular Assist System, is capable of taking over the workload of the heart's left ventricle.
2. In February, the device, called the Arrow LionHeart Left Ventricular Assist System, was implanted in a 65-year-old patient at Penn State's Milton S . Hershey Medical Center.
3. It's difficult to find left ventricular assist system in a sentence. 用left ventricular assist system造句挺難的